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CNY17-1 Optocoupler DIP-6 – Low CTR Phototransistor Opto-Isolator IC
Original price was: ₹14.00.₹12.50Current price is: ₹12.50.
Description
CNY17-1 Optocoupler DIP-6 – Low CTR Phototransistor Opto-Isolator IC
The CNY17-1 Optocoupler is a reliable phototransistor output opto-isolator IC that integrates an infrared LED and a silicon phototransistor inside a compact DIP-6 through-hole package. Classified as a low-CTR variant within the CNY17 series, the CNY17-1 is ideal for applications that require controlled signal transfer, electrical isolation, and predictable performance. It effectively isolates low-voltage control circuits from high-voltage or noisy power sections, protecting sensitive electronics from voltage spikes, transients, and ground-loop interference. This optocoupler is commonly used in SMPS feedback loops, industrial automation, PLC input modules, relay driving circuits, and microcontroller signal isolation, where long-term stability and electrical safety are critical.
| Specification | Details |
|---|---|
| Part Number | CNY17-1 |
| Device Type | Optocoupler / Opto-Isolator IC |
| Output Type | Phototransistor |
| CTR Rank | CNY17-1 (Low CTR Range) |
| Isolation Voltage | Up to 5000Vrms |
| Collector-Emitter Voltage | 70V Max |
| Input LED Forward Voltage | 1.2V Typical |
| Package Type | DIP-6 Through-Hole |
Applications
- SMPS feedback and regulation circuits
- Industrial automation and PLC inputs
- Relay driver and switching isolation
- Microcontroller signal isolation
- Noise suppression and ground-loop protection
- Sensor and control signal interfacing
How to Use
- Connect a current-limiting resistor in series with the input LED.
- Drive the LED from a logic or control signal.
- Use a pull-up resistor on the phototransistor output.
- Maintain sufficient PCB clearance for safe isolation.
- Do not exceed LED current or transistor voltage ratings.
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The CNY17-1 Optocoupler DIP-6 is a phototransistor-based opto-isolator IC with a low current transfer ratio, designed for stable and predictable signal isolation. It is widely used in SMPS feedback circuits, PLC inputs, relay driving, and industrial control applications where controlled gain and high isolation are required.
